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Light earthquake, 4.1 mag was detected near Atka in Alaska

Posted by admin on March 15, 2016 0 Comments

Earthquake location 51.4761S, -173.5634WA light earthquake with magnitude 4.1 (ml/mb) was detected on Tuesday, 91 km SSE of Atka, Alaska (57 miles). Id of earthquake: us20005a1v. Event ids that are associated: at00o43ro3, us20005a1v. Exact time and date of earthquake 15/03/16 / 2016-03-15 22:55:11 / March 15, 2016 @ 10:55 pm UTC/GMT. A tsunami warning has been issued near Atka in Alaska (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -173.5634° West, latitude 51.4761° North, depth = 10 km. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. The temblor was reported at 10:55:11 / 10:55 am (local time epicenter).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days fifteen, in the past 30 days nineteen and in the last 365 days two hundred and fifty-two earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 91 km SSE of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -173.5634° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4761° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 91km SSE of Atka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-03-15 22:55:11 Time when the event occurred. UTC/GMT
Updated 2016-03-15 23:18:36 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 1 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 259 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.67 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 198 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20005a1v Id of event.
Event Code 20005a1v An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00o43ro3,us20005a1v, A comma-separated list of event ids that are associated to an event.

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